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Callum
Questions and answers by visitors named
Callum
Questions (4)
There are lots of ways of choosing three dots from this 4 by 4 array. How many triples of points are there when all three lie on
2 answers
642 views
A square piece of paper 20cm by 20cm has equal sized squares cut from each corner, size x. What is the formula to work out the
2 answers
576 views
What mass of copper(ii) sulphate(GFM=159.5) is required to make 400cm3 of 0.5mol/l solution
1 answer
341 views
Find the limit if it exhist.
Lim (2x^3 + x^2 + 7) X>2 A.16 B.27 C.4 D.none of these answers
1 answer
227 views
Answers (2)
